1. G. Thomasis professor for theology and ethics, Ruhr University, Bochum, Germanyco-principal investigator, The Enhancing Life Project, Chicago, Illinois.
2. S. Biggeris a staff member, University of Chicago Divinity Schoolassociate director, The Enhancing Life Project, Chicago, Illinois.
3. J. Kimis a third-year medical student, University of Texas Southwestern at Dallas, Dallas, Texas.
4. M. Kimis a research assistant, Department of Medicine, The University of Chicago, Chicago, Illinois.
5. J.D. Yoonis associate professor, Program on Medicine and Religion, Department of Medicine, The University of Chicago, Chicago, Illinoisvisiting scholar, Kern Institute, Medical College of Wisconsin, Milwaukee, Wisconsin.
6. W. Schweikeris Edward L. Ryerson Distinguished Service Professor of Theological Ethics, University of Chicagoprincipal investigator, The Enhancing Life Project, Chicago, Illinois.